Unit 10

UNIT 10: CONSERVATION
A. READING B. SPEAKING C. LISTENING D. WRITING E. LANGUAGE FOCUS

A. READING
Task 1 : Match the words in A with their definition in B
eliminate
circulation
run-off
hydroelectric
the movement of something around a closed system
concerning or producing electricity by the power of falling water
remove or get rid of completely
liquid which flows off or from
Task 2: Decide whether the statements are True or False:
Each year about fifty hundred species of plants and animals are eliminated.
Many kinds of plants could be used to treat various dangerous diseases.
Water can be held on land by vegetation.
Man is constantly doing harm to the environment.
Plants may cause floods and erosion.
We can do nothing to save the earth.
T
T
T
T
F
F
Task 3 : Choose the most suitable main idea for each paragraph:
We cannot live without water.
Let’s do something to save the earth.
Forests give us a lot of valuable things.
Vegetation can help conserve water.
Paragraph A
Paragraph B
Paragraph C
C. LISTENING
forest
campfire
valuable
forester
destroy
awful

Task 1: Listen and number the events in the order you hear.
[ ] A campfire near a heap of leaves may easily cause a forest fire.
[ ] In the summer, fire is the greatest danger to forests, and sometimes people are not allowed to go into them.
[ ] All of us must care for our great forests and save them from fire.
[ ] It’s an unpleasant thing to see a great forest fire.
[ ] A forest fire destroys valuable wood, wildlife and good soil.
1
2
3
4
5
Task 2: Listen again and decide whether the statements are True or False.
Once a fire has started, it takes time to spread.
In late autumn, forests may easily catch fire.
Campers must use earth to put out their campfires completely.
A forest fire may make life more difficult for all of us.
It is the duty of every forester to take care not to start a forest fire.
F
F
T
T
F
E. LANGUAGE FOCUS
/ b /
bee
ban
bad
cab
bright
back
/ p /
pea
pan
Paul
cap
provide
power
Grammar: The Passive Voice



1. About 5,000 species of plants and animals are eliminated each year.
 Passive =
Subject
be
past participle
2. The earth is being threatened.
Passive
Continuous =
Subject
be being
p . p
How to change into the passive voice:
Mr. Brown teaches English at this school.
Mr. Brown
S
teaches
V
English
O
English
is
taught
at this school
by
Mr. Brown.